[MacPorts] ProblemHotlist modified

[MacPorts]

Page "ProblemHotlist" was changed by ryandesign at macports.org
Diff URL: <https://trac.macports.org/wiki/ProblemHotlist?action=diff&version=125>
Revision 125
Comment: add "no destroot found" entry
Changes:
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Index: ProblemHotlist
=========================================================================
--- ProblemHotlist (version: 124)
+++ ProblemHotlist (version: 125)
@@ -28,6 +28,20 @@
 
 Note you might have an older version of the `xcode-select` tool in case you installed Xcode 4.2 after installing the Mac OS X 10.7.3 update. If the command `xcode-select -version` returns `version 2003`, this is from Xcode 4.2 and we recommend to install the update once again with the [http://support.apple.com/kb/DL1484 Mac OS X 10.7.3 combo updater]. The current `xcode-select` version that comes with Mac OS X 10.7.3 identifies itself as `version 2307`.
 
+== Port installation fails with "no destroot found" == #nodestrootfound
+
+Installing a port fails with the error message "no destroot found", for example:
+
+{{{
+:error:install org.macports.install for port libpixman returned: no destroot found at: /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_graphics_libpixman/libpixman/work/destroot
+}}}
+
+We do not know what causes this occasional problem, but the solution is to clean the affected port and try again. For example the above error shows libpixman is the port that failed, so to clean it you would run:
+
+{{{
+sudo port clean libpixman
+}}}
+
 == Error message from "port upgrade outdated": uninstall failure: "an invalid entry was passed" == #interrupteduninstall
 
 Before MacPorts 2.1.3 it was possible to leave the registry in an inconsistent state if an uninstallation was interrupted. Although this has been fixed in version 2.1.3, the fix does not cure a previously corrupt registry.
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